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7cd663b80c
Generally, the ISEL is expanded into if-then-else sequence, in some cases (like when the destination register is the same with the true or false value register), it may just be expanded into just the if or else sequence. llvm-svn: 292154
107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the entry points for global functions defined in the LLVM
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// PowerPC back-end.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_POWERPC_PPC_H
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#define LLVM_LIB_TARGET_POWERPC_PPC_H
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#include "MCTargetDesc/PPCMCTargetDesc.h"
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// GCC #defines PPC on Linux but we use it as our namespace name
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#undef PPC
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namespace llvm {
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class PPCTargetMachine;
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class PassRegistry;
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class FunctionPass;
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class ImmutablePass;
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class MachineInstr;
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class AsmPrinter;
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class MCInst;
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FunctionPass *createPPCCTRLoops(PPCTargetMachine &TM);
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#ifndef NDEBUG
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FunctionPass *createPPCCTRLoopsVerify();
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#endif
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FunctionPass *createPPCLoopPreIncPrepPass(PPCTargetMachine &TM);
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FunctionPass *createPPCTOCRegDepsPass();
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FunctionPass *createPPCEarlyReturnPass();
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FunctionPass *createPPCVSXCopyPass();
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FunctionPass *createPPCVSXFMAMutatePass();
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FunctionPass *createPPCVSXSwapRemovalPass();
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FunctionPass *createPPCMIPeepholePass();
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FunctionPass *createPPCBranchSelectionPass();
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FunctionPass *createPPCQPXLoadSplatPass();
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FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
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FunctionPass *createPPCTLSDynamicCallPass();
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FunctionPass *createPPCBoolRetToIntPass();
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FunctionPass *createPPCExpandISELPass();
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void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
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AsmPrinter &AP, bool isDarwin);
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void initializePPCVSXFMAMutatePass(PassRegistry&);
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void initializePPCBoolRetToIntPass(PassRegistry&);
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void initializePPCExpandISELPass(PassRegistry &);
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extern char &PPCVSXFMAMutateID;
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namespace PPCII {
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/// Target Operand Flag enum.
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enum TOF {
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//===------------------------------------------------------------------===//
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// PPC Specific MachineOperand flags.
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MO_NO_FLAG,
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/// On a symbol operand "FOO", this indicates that the reference is actually
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/// to "FOO@plt". This is used for calls and jumps to external functions on
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/// for PIC calls on Linux and ELF systems.
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MO_PLT = 1,
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/// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
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/// the function's picbase, e.g. lo16(symbol-picbase).
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MO_PIC_FLAG = 2,
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/// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to
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/// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase).
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MO_NLP_FLAG = 4,
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/// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a
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/// symbol with hidden visibility. This causes a different kind of
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/// non-lazy-pointer to be generated.
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MO_NLP_HIDDEN_FLAG = 8,
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/// The next are not flags but distinct values.
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MO_ACCESS_MASK = 0xf0,
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/// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
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MO_LO = 1 << 4,
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MO_HA = 2 << 4,
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MO_TPREL_LO = 4 << 4,
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MO_TPREL_HA = 3 << 4,
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/// These values identify relocations on immediates folded
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/// into memory operations.
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MO_DTPREL_LO = 5 << 4,
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MO_TLSLD_LO = 6 << 4,
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MO_TOC_LO = 7 << 4,
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// Symbol for VK_PPC_TLS fixup attached to an ADD instruction
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MO_TLS = 8 << 4
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};
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} // end namespace PPCII
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} // end namespace llvm;
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#endif
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